<template>
  <a-row :gutter="24" >
    <a-col :md="5" :sm="24" >
      <a-card :bordered="false" :loading="treeLoading" style="overflow:auto" v-if="cusTree.length!=0">
        <div v-if="this.cusTree!='' " style="max-height: 750px">
          <a-tree
            style="scroll:true;"
            :treeData="cusTree"
            v-if="cusTree.length"
            @select="handleClick"
            :defaultExpandAll="false"
            :defaultExpandedKeys="defaultExpandedKeys"
            :replaceFields="replaceFields"
            @rightClick="onRightClick">
          </a-tree>
          <div :style="this.tmpStyle" v-if="this.NodeTreeItem" >
            <!-- <a-button type="primary" title='添加' icon="plus" size="small" @click="$refs.addForm.add() " /> -->
            <!-- 关于鼠标右键编辑栏的html.函数方法.思路三者的详细注释在cusinfo/index页面, -->
            <!-- 关于鼠标右键编辑栏的html.函数方法.思路三者的详细注释在cusinfo/index页面, -->
            <!-- 关于鼠标右键编辑栏的html.函数方法.思路三者的详细注释在cusinfo/index页面, -->
            <a-button
              type="primary"
              v-if="hasPerm('cusSort:add')"
              icon="plus"
              title="添加"
              size="small"
              @click="add(edmitRecord)"></a-button>
            <a-button
              type="primary"
              v-if="hasPerm('cusSort:edit')"
              title="编辑"
              icon="edit"
              size="small"
              @click="edit(edmitRecord)" />
            <a-button
              type="primary"
              v-if="hasPerm('cusSort:delete')"
              placement="topRight"
              title="确认删除？"
              icon="delete"
              size="small"
              @click="singleDelete2(delete2)" />
          </div>
        </div>
        <div v-else>
          <a-empty :image="simpleImage" />
        </div>
      </a-card>
    </a-col>
    <a-col :md="19" :sm="24" @click="clearNodeTreeItem">
      <!-- 右侧上半部分 -->
      <a-card :bordered="false" :bodyStyle="tstyle">
        <div class="table-page-search-wrapper" v-if="hasPerm('cusSort:page')">
          <a-form layout="inline">
            <a-row :gutter="48">
              <a-col :md="8" :sm="24">
                <a-form-item label="客户分类名称">
                  <a-input v-model.trim="queryParam.sortName" allow-clear placeholder="请输入客户分类名称"/>
                </a-form-item>
              </a-col>
              <a-col :md="8" :sm="24">
                <a-form-item label="备注信息">
                  <a-input v-model.trim="queryParam.remark" allow-clear placeholder="请输入备注信息"/>
                </a-form-item>
              </a-col>
              <a-col :md="8" :sm="24">
                <span class="table-page-search-submitButtons">
                  <a-button type="primary" @click="find">查询</a-button>
                  <a-button style="margin-left: 8px" @click="reset">重置</a-button>
                </span>
              </a-col>
            </a-row>
          </a-form>
        </div>
      </a-card>
      <a-card :bordered="false">
        <s-table
          ref="table"
          :columns="columns"
          :data="loadData"
          :alert="options.alert"
          :rowKey="(record) => record.id"
          :rowSelection="options.rowSelection"
          :components="this.comp"
          :scroll="{x:1200}"
          bordered
        >
          <template class="table-operator" slot="operator" v-if="hasPerm('cusSort:add')" >
            <a-button type="primary" v-if="hasPerm('cusSort:add')" icon="plus" @click="$refs.addForm.add()">新增客户分类</a-button>
            <a-button type="danger" :disabled="selectedRowKeys.length < 1" v-if="hasPerm('cusSort:delete')" @click="batchDelete"><a-icon type="delete"/>批量删除</a-button>
            <x-down
              v-if="hasPerm('cusSort:export')"
              ref="batchExport"
              @batchExport="batchExport"
            />
          </template>
          <span slot="action" slot-scope="text, record">
            <a v-if="hasPerm('cusSort:edit')" @click="$refs.editForm.edit(record)">编辑</a>
            <a-divider type="vertical" v-if="hasPerm('cusSort:edit') & hasPerm('cusSort:delete')"/>
            <a-popconfirm v-if="hasPerm('cusSort:delete')" placement="topRight" title="删除" @confirm="() => singleDelete(record)">
              <a>删除</a>
            </a-popconfirm>
          </span>
        </s-table>
        <add-form ref="addForm" @ok="handleOk" />
        <edit-form ref="editForm" @ok="handleOk" />
      </a-card>
    </a-col>
  </a-row>
</template>
<script>
  import { STable, XDown } from '@/components'
  import { cusSortPage, cusSortDelete, cusSortExport, getCusTree, cusSortList } from '@/api/modular/main/cussort/cusSortManage'
  import addForm from './addForm.vue'
  import editForm from './editForm.vue'
  import { Empty } from 'ant-design-vue'
  import dragMixin from '@/mixins/drag/index'
  import '@/mixins/drag/drag.css'
  export default {
    components: {
      STable,
      addForm,
      editForm,
      XDown
    },
    mixins: [ dragMixin ],
    data () {
      return {
        // edmitRecord用于保存在页面右侧树鼠标右键点击到的那个数据的record
        edmitRecord: {},
        // 用于存储右侧页面加载的总的数据  对象数组
         // 通过loadData赋值给 this.recordArray 用于提供左侧鼠标右键出现的编辑按钮所需的record
        recordArray: [],
        // 定义一个只存放id，用来进行单个删除的变量delete2。用来替代左侧鼠标右键出现的删除按钮所需要的record.id
        delete2: [{ 'id': null }],
        selectedId: '',
        // 鼠标右键是否点击了左侧数据
        NodeTreeItem: null,
        // 右侧鼠标点击增删改的样式
        tmpStyle: {},
        selcusSortId: '0',
        fieldProp: {},
        simpleImage: Empty.PRESENTED_IMAGE_SIMPLE,
        // 查询参数
        queryParam: {},
        // 表头
        columns: [
          {
            title: '客户分类名称',
            align: 'center',
            dataIndex: 'sortName',
            width: 390,
            ellipsis: true
          },
          {
            title: '备注信息',
            align: 'center',
            dataIndex: 'remark',
            width: 390,
            ellipsis: true
          }
        ],
        tstyle: { 'padding-bottom': '0px', 'margin-bottom': '10px' },
        // 加载数据方法 必须为 Promise 对象
        loadData: parameter => {
          cusSortList(Object.assign(parameter, this.queryParam)).then((res) => {
            // 赋值给 this.recordArray 用于提供左侧鼠标右键出现的编辑按钮所需的record
            this.recordArray = res.data
            localStorage.setItem('sortRecordArray', JSON.stringify(this.recordArray))
          })

          return cusSortPage(Object.assign(parameter, this.queryParam)).then((res) => {
            // 赋值给 this.recordArray 用于提供左侧鼠标右键出现的编辑按钮所需的record
            // this.recordArray = res.data.rows
            // localStorage.setItem('sortRecordArray', JSON.stringify(this.recordArray))
            return res.data
          })
        },
        selectedRowKeys: [],
        ctedRowKeys: [],
        selectedRows: [],
        cusTree: [],
        treeLoading: true,
        defaultExpandedKeys: [],
        replaceFields: {
          key: 'id'
        },
        options: {
          alert: { show: true, clear: () => { this.selectedRowKeys = [] } },
          rowSelection: {
            selectedRowKeys: this.selectedRowKeys,
            onChange: this.onSelectChange
          }
        }
      }
    },
    created () {
      this.getCusTree()
      if (this.hasPerm('cusSort:edit') || this.hasPerm('cusSort:delete')) {
        this.columns.push({
          title: '操作',
          width: 400,
          align: 'center',
          fixed: 'right',
          // dataIndex: 'action',
          scopedSlots: { customRender: 'action' }
        })
      }
    },
    methods: {
      find() {
        this.$refs.table.refresh(true)
      },
      reset() {
        this.queryParam = {}
        this.getCusTree()
      },
      edit (edmitRecord) {
        this.NodeTreeItem = false
        this.$refs.editForm.edit(edmitRecord)
      },
      add (edmitRecord) {
        this.NodeTreeItem = false
        this.$refs.addForm.add(edmitRecord)
      },
      // 鼠标点击右侧区域隐藏左侧增删改按钮
       clearNodeTreeItem () {
        this.NodeTreeItem = null
      },
      // 鼠标右键点击左侧树出现增删改按钮
      onRightClick ({ event, node }) {
        const x = event.currentTarget.offsetLeft + event.currentTarget.clientWidth
        const y = event.currentTarget.offsetTop
        this.selectedId = node._props.eventKey
        this.NodeTreeItem = {
        pageX: x,
        pageY: y,
        // 获取该节点id
        id: node._props.eventKey,
        // 获取该节点名称
        title: node._props.title,
        // 获取父节点id
        parentOrgld: node._props.dataRef.parentId || null
      }
      // 获取到鼠标右键点击的数据的record
      this.edmitRecord = this.recordArray.filter(el => el.id === this.NodeTreeItem.id)[0]
      this.delete2[0].id = this.NodeTreeItem.id.replace('"', '\'')
      this.tmpStyle = {
          position: 'absolute',
          maxHeight: 40,
          textAlign: 'center',
          left: `${x + 10 - 0}px`,
          top: `${y + 4 - 0}px`,
          display: 'flex',
          flexDirection: 'row'
        }
      },
      /**
       * 获取到类型树，展开顶级下树节点，考虑到后期数据量变大，不建议全部展开
       */
      getCusTree () {
        getCusTree(Object.assign(this.queryParam)).then(res => {
          this.treeLoading = false
          if (!res.success) {
            return
          }
          localStorage.setItem('sortRecordArray', JSON.stringify(this.recordArray))
          this.cusTree = res.data
          // 修改
          if (this.cusTree.length > 0) {
            this.queryParam.parentId = this.cusTree[0].id
          } else {
            this.queryParam.parentId = 0
          }
          // 全部展开，上面api方法提供的不生效，先用此方法
          for (var item of res.data) {
            // eslint-disable-next-line eqeqeq
            if (item.parentId == 0) {
              this.defaultExpandedKeys.push(item.id)
            }
          }
          this.$refs.table.refresh()
        })
      },
      /**
       * 单个删除
       */
      singleDelete (record) {
        const param = [{ 'id': record.id }]
        this.cusSortDelete(param)
      },
      singleDelete2 (id) {
        this.NodeTreeItem = false
        this.cusSortDelete(id)
      },
      /**
       * 批量删除
       */
      batchDelete () {
        const paramIds = this.selectedRowKeys.map((d) => {
            return { 'id': d }
        })
        this.cusSortDelete(paramIds)
      },
      cusSortDelete (record) {
        cusSortDelete(record).then((res) => {
          if (res.success) {
            this.$message.success('删除成功')
            this.getCusTree()
            this.$refs.table.clearRefreshSelected()
          } else {
            this.$message.error(res.message) // + res.message
          }
        })
      },
      /**
       * 批量导出
       */
      batchExport () {
        const paramIds = this.selectedRowKeys.map((d) => {
            return { 'id': d }
        })
        cusSortExport(paramIds).then((res) => {
            this.$refs.batchExport.downloadfile(res)
        })
      },
      handleOk () {
        this.getCusTree()
        this.$refs.table.refresh()
      },
      onSelectChange (selectedRowKeys, selectedRows) {
        this.selectedRowKeys = selectedRowKeys
        this.selectedRows = selectedRows
      },
      handleClick (e) {
        this.selcusSortId = e.toString()
        if (this.selcusSortId !== this.selectedId) {
            this.NodeTreeItem = false
        }
        this.queryParam = {
          pid: e.toString()
        }
        this.$refs.table.refresh(true)
      }
    }
  }
</script>
<style lang="less">
  .table-operator {
    margin-bottom: 18px;
  }
  button {
    margin-right: 8px;
  }
  /*滚动条样式*/
  ::-webkit-scrollbar {
    width: 5px;
    height: 5px;
  }
  /*定义滑块*/
  ::-webkit-scrollbar-thumb {
    border-radius: 10px;
    box-shadow   : inset 0 0 5px rgba(0, 0, 0, 0.2);
    background   : #A9A9A9;
  }
  /*滑动轨道*/
  ::-webkit-scrollbar-track {
    box-shadow   : inset 0 0 5px rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    background   : #F5F5F5;
  }
</style>
